You should add docs to the readme to help new users get to grip with the code base.
A "new user" could be an employer looking to hire you. Show them you care about them, and their experience with your code, by writing up clear and concise documentation.
This isn't marketing, you're not selling anything. It's just clear instructions.
You should include documentation about:
A BRIEF overview of what the app does or is for (non technical, this should be very user friendly)
What major technologies/libraries/languages are used
You should add docs to the readme to help new users get to grip with the code base.
A "new user" could be an employer looking to hire you. Show them you care about them, and their experience with your code, by writing up clear and concise documentation.
This isn't marketing, you're not selling anything. It's just clear instructions.
You should include documentation about: